r138023 - in /branches/cell-4_3-branch: gcc/Cha...

[bje@gcc.gnu.org]

Author: bje
Date: Mon Jul 21 08:40:23 2008
New Revision: 138023

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=138023
Log:
	Backport from mainline:

gcc/
	* c-common.h (C_CPP_HASHNODE): New macro.
	* coretypes.h (struct cpp_token): Forward declare.
	* doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
	the context-sensitive keyword method.
	* config/rs6000/rs6000-c.c (__vector_keyword, vector_keyword,
	__pixel_keyword, pixel_keyword, __bool_keyword, bool_keyword,
	expand_bool_pixel): New.
	(altivec_categorize_keyword): New function.
	(init_vector_keywords): New function.
	(rs6000_macro_to_expand): Likewise.
	(rs6000_cpu_cpp_builtins): Enable context-sensitive macros if not
	compiling an ISO C dialect.

gcc/testsuite/
	* gcc.target/powerpc/altivec-macros.c: New test.
 	* gcc.target/powerpc/altviec-26.c: Likewise.
 	* gcc.dg/vmx/1b-06.c: Remove bool variable.
 	* gcc.dg/vmx/1b-07.c: Likewise.
 	* gcc.dg/vmx/1b-06-ansi.c: New test for the pre-define method.
 	* gcc.dg/vmx/1b-07-ansi.c: Likewise.

libcpp/ 
 	* include/cpplib.h (NODE_CONDITIONAL): New.
 	(struct cpp_callbacks): New macro_to_expand field.
 	(cpp_peek_token): Prototype.
 	* lex.c (cpp_peek_token): New function.
 	(_cpp_temp_token): Protect pre-existing lookaheads.
 	* macro.c (cpp_get_token): Expand any conditional macros.
 	(_cpp_backup_tokens_direct): New.
 	(_cpp_backup_tokens): Call _cpp_backup_tokens_direct.
 	(warn_of_redefinition): Silently allow redefined conditional
 	macros.
 	(_cpp_create_definition): Remove the conditional flag when a user
 	defines one of the conditional macros.
 	* internal.h (_cpp_backup_tokens_direct): New prototype.

Added:
    branches/cell-4_3-branch/gcc/testsuite/gcc.dg/vmx/1b-06-ansi.c
    branches/cell-4_3-branch/gcc/testsuite/gcc.dg/vmx/1b-07-ansi.c
    branches/cell-4_3-branch/gcc/testsuite/gcc.target/powerpc/altivec-26.c
    branches/cell-4_3-branch/gcc/testsuite/gcc.target/powerpc/altivec-macros.c
Modified:
    branches/cell-4_3-branch/gcc/ChangeLog
    branches/cell-4_3-branch/gcc/c-common.h
    branches/cell-4_3-branch/gcc/config/rs6000/rs6000-c.c
    branches/cell-4_3-branch/gcc/coretypes.h
    branches/cell-4_3-branch/gcc/doc/extend.texi
    branches/cell-4_3-branch/gcc/testsuite/ChangeLog
    branches/cell-4_3-branch/gcc/testsuite/gcc.dg/vmx/1b-06.c
    branches/cell-4_3-branch/gcc/testsuite/gcc.dg/vmx/1b-07.c
    branches/cell-4_3-branch/libcpp/ChangeLog
    branches/cell-4_3-branch/libcpp/include/cpplib.h
    branches/cell-4_3-branch/libcpp/internal.h
    branches/cell-4_3-branch/libcpp/lex.c
    branches/cell-4_3-branch/libcpp/macro.c